Title:
METHOD FOR PREPARING POSITIVE ELECTRODE OF LITHIUM ION BATTERY
Document Type and Number:
WIPO Patent Application WO/2019/001047
Kind Code:
A1
Abstract:
Disclosed in the present invention is a method for preparing a positive electrode of a lithium ion battery, the active component thereof being a flake graphite conjugated polycarbonyl polyacene quinone free radical polymer (PAQR). The active component uses a quinone, acid anhydride and a Lewis acid catalyst as raw materials, said raw materials being batched according to a molar ratio of 1:1:2, and being calcined at a certain temperature for a certain time period, the calcined product being washed and purified by means of refluxing by using different solvents; when preparing the positive electrode of the lithium ion battery, the active component and a conductive agent are first uniformly mixed by means of ball milling, and then a binder is added to prepare a slurry. The method process is simple, environmental-friendly and may be applied to large-scale production; the obtained positive electrode of a lithium ion battery has better circulation and a better rate performance during a half-cell test, and the mass-specific capacity is superior to that of positive electrodes of current commercial lithium ion batteries.
Inventors:
HUANG CHENG (CN)
YE FEI (CN)
HUANG WEI (CN)
YE FEI (CN)
HUANG WEI (CN)
Application Number:
PCT/CN2018/081101
Publication Date:
January 03, 2019
Filing Date:
March 29, 2018
Export Citation:
Assignee:
UNIV NANJING TECH (CN)
International Classes:
H01M4/60
Foreign References:
| CN107317022A | 2017-11-03 | |||
| CN106981661A | 2017-07-25 | |||
| JPS59196572A | 1984-11-07 | |||
| JPS59196570A | 1984-11-07 | |||
| CN103965993A | 2014-08-06 |
Other References:
POHL, H.A.: "Synthesis and characterization of some highly conjugated semiconducting polymers", THE JOURNAL PHYSICAL CHEMISTRY, vol. 66, no. 11, 1 November 1962 (1962-11-01), pages 2085 - 2095, XP055660593, DOI: 10.1021/j100817a004
Attorney, Agent or Firm:
NAN JING YE TENG ZHI SHI CHAN QUAN DAI LI SHI WU SUO (CN)
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